期刊
SCIENCE
卷 329, 期 5997, 页码 1327-1330出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1194210
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资金
- Cbana Laboratories
- Dioxide Materials
The desorption of gases from carbon nanotubes is usually a slow process that limits the nanotubes' utility as sensors or as memristors. Here, we demonstrate that flow in the nanotube above the Poole-Frenkel conduction threshold can stimulate adsorbates to desorb without heating the sensor substantially. The method is general: alcohols, aromatics, amines, and phosphonates were all found to desorb. We postulate that the process is analogous to electron-stimulated desorption, but with an internally conducted rather than externally applied source of electrons.
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